CN114697358A - Intelligent automobile FOTA upgrading system and method - Google Patents

Abstract

The invention relates to a FOTA upgrade system and method for an intelligent vehicle. The system includes a baseline data module, a vehicle data module and an OTA server, wherein the baseline data module is used to send the stored baseline data of the research and development terminal to the OTA server, and the The vehicle data module user obtains the vehicle factory configuration data and sends it to the OTA server, and the OTA server is used to obtain the current vehicle data from the vehicle end and judge the current vehicle data according to the baseline data, the vehicle factory configuration data and the current vehicle data. Whether there is a difference between the on-board software version corresponding to the vehicle data and the latest FOTA version corresponding to the baseline data, and when there is a difference, create a FOTA task on the on-board side to prompt the user that there is a new FOTA version that needs to be updated. When judging whether there is a difference between the latest FOTA version and the vehicle-end software version, the FOTA task is pushed to the vehicle through the OTA server, which realizes the rapid change of the remote control vehicle function and the remote vehicle fault repair, and optimizes the user's driving experience.

Description

A smart car FOTA upgrade system and method

technical field

The invention relates to the technical field of automobile control, in particular to a system and method for FOTA upgrading of an intelligent automobile.

Background technique

With the development of automobile electrification and intelligence, there are more and more on-board controllers, and their functions are more and more complex. Traditional software upgrades can be done to fix bugs by upgrading the software after a large-scale recall of vehicles through 4S stores. FOTA generally refers to remote vehicle software upgrade, which is an important indicator for judging smart electric vehicles.

Vehicles with FOTA capability will be able to:

1. Upgrade the vehicle electronic control unit (ECU), vehicle system firmware, etc.;

2. Users do not need to go to the offline service center or connect to external devices;

3. The upgrade package can be obtained and updated through the cloud to realize the rapid iteration of functions and the continuous optimization of the vehicle experience and driving experience.

A brief summary is that FOTA can bring the upgrade of the vehicle system level of the whole vehicle. It is a vehicle software update function higher than OTA (for example, at the smartphone level, the WeChat software version update is OTA, and the iPhone software version is changed from iOS11. Upgrading to iOS13 is FOTA), and the existing car OTA technology is only an upgrade of the navigation APP and multimedia APP.

Therefore, it is necessary to provide a smart car FOTA upgrade system that can realize FOTA firmware remote upgrade and quickly complete vehicle function change and has a high level of information security to solve the above technical problems.

SUMMARY OF THE INVENTION

In order to solve the above technical problems, the present invention provides a FOTA upgrade system for a smart car. It solves the problem of wasting cost and time in the existing technology, which needs to be repaired by upgrading software after a large-scale recall of vehicles through 4S stores.

The technical effect of the present invention is achieved by the following:

A smart car FOTA upgrade system, comprising a baseline data module, a vehicle data module and an OTA server, wherein the baseline data module and the vehicle data module are both connected to the OTA server, and the baseline data module is used to store the data stored therein. The baseline data of the research and development end is sent to the OTA server, and the baseline data includes the software package data of all controllers used to complete the function change of the whole vehicle and the collection of software versions of all electronic control units of the whole vehicle that need to be released each time. The vehicle data module user obtains the vehicle factory configuration data and sends it to the OTA server, and the OTA server is used to obtain the current vehicle data from the vehicle end and judge according to the baseline data, the vehicle factory configuration data and the current vehicle data. Whether there is a difference between the on-board software version corresponding to the current vehicle data and the latest FOTA version corresponding to the baseline data, and when there is a difference, create a FOTA task on the on-board side to prompt the user that there is a new FOTA version that needs to be updated. By setting the baseline data module, each FOTA upgrade is based on the vehicle software baseline data, and the vehicle-level software static image and BSS software upgrade package are released. Each FOTA upgrade will consider the vehicle's baseline data, and the BSS will be released on a vehicle-by-vehicle basis. The software upgrade package will update all the related automotive electronic control units of the whole vehicle (that is, pull all the ECUs of the whole vehicle to a software baseline data), and there will be no unsustainability caused by only upgrading a single automotive electronic control unit in the past. Iterative problem. The OTA server can determine whether there is a difference between the latest FOTA version and the on-board software version according to the baseline data, current vehicle data and vehicle factory configuration data. Complete the download of FOTA tasks, so as to realize the rapid change of remote control vehicle functions through the continuous change of baseline data, optimize the user's driving experience, and solve the problem in the existing technology that requires a large-scale recall of vehicles through 4S stores and then upgrade the software to complete the repair of bugs , the problem of wasting cost and time. By setting the vehicle data module, the OTA server can obtain the vehicle model, frame number, and configuration information queried by the vehicle in time from the vehicle data module, match it to the corresponding vehicle production batch and vehicle model, and release the corresponding software.

Further, a transition module is also included, the transition module is configured to store an encrypted software package obtained by encrypting the baseline data by the OTA server, and the transition module is configured to send the address of the encrypted software package to the OTA server. By setting the transition module, the encrypted software package of the baseline data transmitted from the baseline data module can be stored in the transition module through the OTA server to improve the security of the software package, so that when the vehicle receives the FOTA task, it can pass The transition module downloads the encrypted software package and decrypts it for installation.

Further, it also includes a vehicle wireless data terminal and a FOTA main controller, the vehicle wireless data terminal is used to receive the FOTA task of the OTA server and send it to the FOTA main controller to complete the download of the FOTA task, so The FOTA main controller is used to download and install an encrypted software package from the transition module through the vehicle wireless data terminal after the FOTA task is downloaded.

Further, it also includes a vehicle-mounted control screen, which is used to send a download authorization instruction and an installation authorization instruction to the vehicle wireless data terminal according to the authorization of the user, and receive the download progress and installation instructions sent by the FOTA main controller. schedule. The user can start the download of the encrypted software package only after authorization through the on-board control panel. The user can start the installation of the software package only after authorization from the vehicle control screen, and then start to decompress the encrypted software package. After the installation is completed, the software package is deleted, which also shortens the time that the encrypted file is in the decrypted state and prevents the information security of the software package from appearing. question.

Further, the on-board control screen is also used for the user to search for the latest FOTA version corresponding to the baseline data to control the OTA server to create and transmit FOTA tasks.

Further, it also includes a set of distributed control units, and the set of distributed control units is used to download the encrypted software package to the local through the FOTA main controller and then perform self-refreshing. By setting the distributed control unit set (Distributed controller), the software package that needs FOTA upgrade is directly downloaded to the local memory of the distributed control unit set, and then the distributed control unit set refreshes itself, optimizing the software package first. The process of downloading to the FOTA main controller and then transmitting it to the control unit greatly shortens the FOTA upgrade time.

Further, a set of non-distributed control units is also included, and the set of non-distributed control units is configured to control the FOTA master controller to complete the UDS flashing and restore the UDS to the FOTA master controller. By setting the distributed control unit set (Distributed ECUs), the IPCP protocol is used for communication between the distributed control unit set (Distributed ECUs), the vehicle wireless data terminal and the FOTA main controller.

Further, IPCP protocol is used for communication between the baseline data module, the vehicle wireless data terminal and the FOTA main controller. By using the IPCP protocol for communication, different from the traditional standardized UDS protocol, compared with CAN, the Flexray bus has a faster transmission speed and a higher level of information security.

In addition, a smart car FOTA upgrade method is also provided, the method is implemented based on the above-mentioned smart car FOTA upgrade system, and the method includes:

Use the OTA server to obtain the baseline data of the research and development terminal, the vehicle factory configuration data of the target vehicle and the current vehicle data of the target vehicle, and the vehicle factory configuration data includes the frame number;

Determine the target baseline data corresponding to the target vehicle according to the vehicle factory configuration data of the target vehicle and the current vehicle data of the target vehicle;

According to the target baseline data and the current vehicle data of the target vehicle, determine whether there is a difference between the on-board software version corresponding to the current vehicle data of the target vehicle and the FOTA version corresponding to the target baseline data;

If not, no operation is required; if so, create a FOTA task and push the FOTA task to the vehicle wireless data terminal to prompt the user on the vehicle side that there is a new FOTA version that needs to be updated;

When the user's download authorization instruction and installation authorization instruction are obtained, the FOTA main controller is used to complete the download of the FOTA task and the download and installation of the encrypted software package.

Further, the FOTA main controller is used to complete the downloading of the FOTA task and the installation of the encrypted software package, and then include:

After the on-board software update is completed, use the FOTA main controller to report the on-board software version corresponding to the current vehicle data to the vehicle wireless data terminal, so that the vehicle wireless data terminal uploads the on-board software version to the OTA server;

Or when the preset period is reached, the FOTA main controller automatically triggers the reporting of the on-board software version corresponding to the current vehicle data to the vehicle wireless data terminal, so that the vehicle wireless data terminal uploads the on-board software version to the OTA server.

As mentioned above, the present invention has the following beneficial effects:

1) By setting the baseline data module, each FOTA upgrade is based on the baseline data of the vehicle software, and the vehicle-level software static image and BSS software upgrade package are released. Each FOTA upgrade will consider the baseline data of the vehicle, with the vehicle as the unit Release the BSS software upgrade package to update all the related automotive electronic control units of the whole vehicle (that is, pull all the ECUs of the whole vehicle to a software baseline data), and there will be no previous problems caused by only upgrading a single automotive electronic control unit. The problem of not being able to iterate continuously.

2) The OTA server can judge whether there is a difference between the latest FOTA version and the on-board software version according to the baseline data, current vehicle data and vehicle factory configuration data. The download of the FOTA task is completed on the vehicle, so as to realize the rapid change of the remote control vehicle function through the continuous change of the baseline data, optimize the user's driving experience, and solve the need to upgrade the software after the large-scale recall of the vehicle through the 4S store in the existing technology. Fix bugs that waste cost and time.

3) By setting the transition module, the encrypted software package of the baseline data transmitted from the baseline data module can be stored in the transition module through the OTA server to improve the security of the software package, so that when the vehicle receives the FOTA task, The encrypted software package can be downloaded and decrypted through the transition module.

4) The user can start the download of the encrypted software package only after authorization through the vehicle control screen.

5) The user can start the installation of the software package only after authorization from the vehicle control screen, and then start to decompress the encrypted software package. After the installation is completed, the software package is deleted, which also shortens the time that the encrypted file is in the decrypted state and prevents the software package from appearing. Information security issues.

6) By setting the distributed control unit set (Distributed controller), the software package that needs FOTA upgrade is directly downloaded to the local memory of the distributed control unit set, and then the distributed control unit set refreshes itself, optimizing the software The process of downloading the package to the FOTA main controller and then transmitting it to the control unit greatly shortens the FOTA upgrade time.

7) By setting the distributed control unit set (Distributed ECUs), the distributed control unit set (Distributed ECUs), the vehicle wireless data terminal and the FOTA main controller are communicated using the IPCP protocol. By using the IPCP protocol for communication, different from the traditional standardized UDS protocol, compared with CAN, the Flexray bus has a faster transmission speed and a higher level of information security.

8) By setting the vehicle data module, the OTA server can obtain the vehicle model, frame number, and configuration information queried by the vehicle in time from the vehicle data module, match it to the corresponding vehicle production batch and vehicle model, and release the corresponding software.

Description of drawings

In order to illustrate the technical solutions of the present invention more clearly, the following will briefly introduce the accompanying drawings that are required to be used in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present invention, and for those of ordinary skill in the art, other drawings can also be obtained from these drawings without creative effort.

1 is a schematic structural diagram of a smart car FOTA upgrade system provided by an embodiment of the present specification;

FIG. 2 is a flowchart of a smart car FOTA upgrade method according to an embodiment of the present specification.

Among them, the reference signs in the figure correspond to:

Baseline data module 1, vehicle data module 2, OTA server 3, transition module 4, vehicle wireless data terminal 5, FOTA main controller 6, vehicle control panel 7, distributed control unit set 8, non-distributed control unit set 9.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

It should be noted that the terms "comprising" and "having" and any variations thereof are intended to cover non-exclusive inclusion, for example, a process, method, system, product or device comprising a series of steps or units is not necessarily limited to expressly Instead, those steps or elements listed may include other steps or elements not expressly listed or inherent to the process, method, product or apparatus.

Example 1:

As shown in FIG. 1 , the embodiment of this specification provides a smart car FOTA upgrade system, including a baseline data module 1 , a vehicle data module 2 and an OTA server 3 , and both the baseline data module 1 and the vehicle data module 2 are connected to the OTA server 3 , the baseline data module 1 is used to send the stored baseline data of the R&D terminal to the OTA server 3. The baseline data includes the software package data of all controllers used to complete the function change of the whole vehicle and all the electronic controls of the vehicle that need to be released each time. The set of software versions of the unit, the vehicle data module 2 user obtains the vehicle factory configuration data and sends it to the OTA server 3, the OTA server 3 is used to obtain the current vehicle data from the vehicle end and according to the baseline data, the vehicle factory configuration data and the current vehicle data Determine whether there is a difference between the on-board software version corresponding to the current vehicle data and the latest FOTA version corresponding to the baseline data, and when there is a difference, create a FOTA task and push the FOTA task to the vehicle to prompt the user on the car side that there is a new FOTA The version needs to be updated.

Specifically, the baseline data module 1, the vehicle data module 2, and the OTA server 3 are set at the depot side. Among them, the baseline data module 1 is the background for storing R&D data. In the smart car FOTA upgrade system, it is the entrance for storing the R&D baseline data. The R&D end stores the software package corresponding to the baseline data in the baseline data module 1. The baseline data The data module 1 sends the baseline data to the OTA server 3. The baseline data includes all the controllers related to the function change of the whole vehicle. The baseline data completes the function iteration based on the concept of the baseline. For example, the package name of the baseline data is 21R1, which represents 21 years The first version of the software, and the baseline data in the baseline data module 1 of the depot side will continue to change, the software package will also be upgraded synchronously, and the FOTA upgrade system will be pushed to the user's vehicle in the form of a version train (composed of multiple controllers). so that the vehicle can still fix bugs or add functions in the hands of the user. By setting the baseline data module, each FOTA upgrade is based on the vehicle software baseline data, and the vehicle-level software static image and BSS (Base Station Subsystem, base station) are released. Subsystem) upgrade package, each FOTA upgrade will consider the baseline data of the entire vehicle, and update all the associated automotive electronic control unit ECUs of the entire vehicle (that is, pull the entire vehicle ECU to a software baseline data), no There will be the problem of not being able to iterate continuously in the past due to only upgrading a single automotive electronic control unit. .

Specifically, the vehicle data module 2 is the entrance for storing the current vehicle data in the smart car FOTA upgrade system, and the user obtains the vehicle data and sends it to the OTA server 3 .

Specifically, the OTA server 3 is a cloud platform for the creation and management of FOTA tasks, which is used to transmit task information to the vehicle end, and directly prompts the user to download the software package to update the function of the vehicle end when it automatically recognizes that a new version of FOTA is updated.

It should be noted that the existing way of changing the functions of the entire vehicle is to upgrade the software through a large-scale recall of the vehicle through 4S stores to fix bugs or add functions, which wastes cost and time.

Therefore, in this application, the baseline data module 1, the vehicle data module 2 and the OTA server 3 are set on the depot side, so that the OTA server 3 can determine the latest FOTA version and the vehicle-side software according to the baseline data, the current vehicle data and the vehicle factory configuration data. Whether there is a difference between the versions, if there is a difference, push the FOTA task to the vehicle end through the OTA server 3, so that the user can download the FOTA task on the vehicle end, and realize the rapid change and optimization of the remote control vehicle function through the continuous change of the baseline data It improves the user's driving experience and solves the problem of wasting cost and time in the existing technology, which requires a large-scale recall of vehicles through 4S stores to upgrade the software to fix bugs.

Preferably, a transition module 4 is also included. The transition module 4 is used to store the encrypted software package obtained by encrypting the baseline data by the OTA server 3 , and the transition module 4 is used to send the address of the encrypted software package to the OTA server 3 .

Specifically, the transition module 4 is set at the car factory. The transition module 4 is a transition cloud disk used to store the software package transmitted from the baseline data module 1 to the OTA server 3. The transition module 4 can be decrypted and installed after being accessed by the car at any time. It is a CDN (Content Delivery Network) or other local storage. The FOTA software packages are encrypted and stored in the transition module 4, and then the transition module 4 sends the software package address to the OTA server 3, and the OTA server 3 encrypts and stores the software package. The purpose of decryption is to improve the security of the software package.

Preferably, the vehicle wireless data terminal 5 and the FOTA main controller 6 are also included. The vehicle wireless data terminal 5 is used to receive the FOTA task of the OTA server 3 and send it to the FOTA main controller 6 to complete the downloading of the FOTA task. The controller 6 is used to download and install the encrypted software package from the transition module 4 through the vehicle wireless data terminal 5 after the download of the FOTA task is completed.

Preferably, it also includes a vehicle-mounted control screen 7, which is used to send download authorization instructions and installation authorization instructions to the vehicle wireless data terminal 5 according to the user's authorization, and receive the download progress and installation progress sent by the FOTA main controller 6.

Preferably, the vehicle-mounted control screen 7 is also used for the user to search for the latest FOTA version corresponding to the baseline data to control the OTA server 3 to create and transmit FOTA tasks.

Preferably, a set of distributed control units 8 is also included, and the set of distributed control units 8 is used to download the encrypted software package to the local through the FOTA main controller 6 and then perform self-flashing.

Preferably, a non-distributed control unit set 98 is also included, and the non-distributed control unit set 98 is used to control the FOTA main controller 6 to complete the UDS flashing and restore the UDS to the FOTA main controller 6 .

Preferably, the IPCP protocol is used for communication between the baseline data module 1, the vehicle wireless data terminal 5 and the FOTA main controller 6.

Specifically, the vehicle wireless data terminal 5, the FOTA main controller 6, the vehicle-mounted control panel 7, the distributed control unit set 8 and the non-distributed control unit set 9 are provided on the vehicle end, that is, on the vehicle used by the user end.

Among them, the vehicle wireless data terminal 5 is connected to the OTA server 3 through mobile data such as 4G, 5G or WIFI, and the OTA server 3 transmits task information to the FOTA main controller 6 through the vehicle wireless data terminal 5 to realize the function of the Internet of Vehicles, and the FOTA main control The controller 6 feeds back the task progress to the OTA server 3 through the vehicle wireless data terminal 5 .

The FOTA master controller 6 is responsible for the overall control of version synchronization, download and installation, and can store the software packages of the non-distributed control unit set 9, and then flash the non-distributed control unit set 9 through UDS, and can transmit the http download software package to the Distributed control unit set 8, and feed back the download progress and installation progress to the vehicle control panel 7 at the same time, and the FOTA main controller 7 sends the real vehicle data (software data) to the OTA server (3) through the vehicle wireless data terminal (5), which is used for the first time. The IPCP protocol is a private protocol, which is different from the traditional standardized UDS protocol. It can customize the Ethernet message to download. Compared with CAN, the Flexray bus has a faster transmission speed and a higher level of information security.

The user sends download authorization and installation authorization instructions to the FOTA main controller 6 through the vehicle wireless data terminal 5 through the vehicle control screen 7, and obtains information such as download progress and installation progress from the FOTA main controller through the vehicle control screen 7. The download can be completed only after the authorization of the large screen, which reduces the anxiety of traffic and is more secure and reliable. The user can start the download of the encrypted software package only after the authorization of the in-vehicle control screen, and the installation of the software package can be started only after the authorization of the user through the in-vehicle control screen. The encrypted software package is decompressed only when the installation is completed, and the software package is deleted after the installation is completed, which also shortens the time that the encrypted file is in the decrypted state and prevents information security problems in the software package.

Distributed control unit set 8 is a set of ECUs that support distributed download, which generally refers to ECUs that support distributed download, which can be one or more ECUs, and their software packages will be downloaded locally through protocols such as http and then self-refreshed. Write, the distributed control unit set 8 needs to feed back the download progress and installation progress to the FOTA master controller 6, the distributed upgrade of the distributed ECU greatly shortens the FOTA upgrade time, compared with the traditional non-distributed control unit set 9. The UDS flashing speed is greatly improved. By setting the distributed control unit set (Distributed ECUs), the software package that needs FOTA upgrade is directly downloaded to the local memory of the distributed control unit set, and then the distributed control unit sets itself. Flashing yourself optimizes the process of downloading the software package to the FOTA main controller and then transferring it to the control unit, which greatly shortens the FOTA upgrade time.

The non-distributed control unit set 9 is a set of ECUs that do not support distributed downloading. It generally refers to ECUs that do not support distributed downloading. It can be one or more ECUs. Their software packages are small and will be downloaded to the IPCP or Http protocol. The FOTA main controller 6 is then flashed by the FOTA main controller 6 through UDS. At the same time, the non-distributed control unit set 9 needs to support UDS reply to complete the UDS flashing process.

As shown in FIG. 2 , an embodiment of the present specification provides a method for FOTA upgrade of a smart car. The method is implemented based on the FOTA upgrade system for a smart car in Embodiment 1. The method includes:

S100: Use the OTA server 3 to obtain the baseline data of the R&D terminal, the vehicle factory configuration data of the target vehicle, and the current vehicle data of the target vehicle;

Specifically, use the OTA server 3 to obtain the baseline data of the R&D terminal from the baseline data module 1, and this baseline data is constantly updated; use the OTA server 3 to obtain the vehicle factory configuration data from the vehicle data module 2; 5 Get the current vehicle data.

After the OTA server 3 obtains the baseline data, the baseline data is encrypted and stored in the transition module 4 as a FOTA software package, and the transition module 4 sends the address of the software package to the OTA server 3 .

Among them, the vehicle factory configuration data includes vehicle model, frame number, configuration information, etc., and the baseline data corresponding to the target vehicle, that is, the target baseline data, is filtered from the baseline data through the vehicle factory configuration data, so as to release the corresponding software package for the target vehicle. .

S200: Determine target baseline data corresponding to the target vehicle according to the vehicle factory configuration data of the target vehicle and the current vehicle data of the target vehicle;

S300: According to the target baseline data and the current vehicle data of the target vehicle, determine whether there is a difference between the on-board software version corresponding to the current vehicle data of the target vehicle and the FOTA version corresponding to the target baseline data;

Specifically, the created FOTA task is used to notify the car end to download the FOTA software package. When the user authorizes the download of the FOTA task, the car wireless data terminal 5 is used to download the software package of the FOTA task from the OTA server 3 .

S400: If no, no operation is required; if yes, create a FOTA task and push the FOTA task to the vehicle wireless data terminal 5, so as to prompt the user on the vehicle side that there is a new FOTA version that needs to be updated;

S500: When the download authorization instruction and the installation authorization instruction of the user are obtained, the FOTA main controller 6 is used to complete the download of the FOTA task and the download and installation of the encrypted software package.

Specifically, after the user authorizes the installation through the vehicle-end control screen 7, the FOTA main controller 6 is used to complete the installation of the non-distributed control unit set 9 (the distributed controller unit set 8 installs its own software), and the user's vehicle Realize FOTA firmware remote upgrade.

In a specific embodiment, the FOTA master controller 6 is used to complete the downloading of the FOTA task and the installation of the encrypted software package, including:

After the on-board software update is completed, the FOTA main controller 6 is used to report the on-board software version corresponding to the current vehicle data to the vehicle wireless data terminal 5, so that the vehicle wireless data terminal 5 uploads the on-board software version to the OTA server 3;

Or when the preset period is reached, the FOTA main controller 6 automatically triggers the reporting of the on-board software version corresponding to the current vehicle data to the vehicle wireless data terminal 5, so that the vehicle wireless data terminal 5 uploads the on-board software version to OTA server 3.

In this embodiment, the preset period is set to 24h.

Although the present invention has been described in terms of the preferred embodiments, the present invention is not limited to the embodiments described herein, and various changes and changes can be made without departing from the scope of the present invention.

The above-described embodiments and features of the embodiments herein can be combined with each other without conflict.

The above disclosure is only a preferred embodiment of the present invention, and of course, it cannot limit the scope of the rights of the present invention. Therefore, the equivalent changes made according to the claims of the present invention are still within the scope of the present invention.

Claims (10)

1. an intelligent automobile FOTA upgrade system, is characterized in that, comprises baseline data module (1), vehicle data module (2) and OTA server (3), described baseline data module (1) and described vehicle data module ( 2) All are connected with the OTA server (3), and the baseline data module (1) is used to send the baseline data of the R&D end stored in it to the OTA server (3), and the baseline data includes the data used to complete the whole process. The software package data of all the controllers of the vehicle function replacement and the software versions of all the electronic control units of the whole vehicle that need to be released each time, the vehicle data module (2) The user obtains the vehicle factory configuration data and sends it to the OTA server ( 3), the OTA server (3) is used to obtain the current vehicle data from the vehicle end and determine the vehicle end software version and the corresponding vehicle end data according to the baseline data, the vehicle factory configuration data and the current vehicle data. Whether there is a difference between the latest FOTA version corresponding to the baseline data, and when there is a difference, create a FOTA task on the vehicle end to prompt the user that there is a new FOTA version that needs to be updated. 2. The smart car FOTA upgrade system according to claim 1, is characterized in that, also comprises transition module (4), and described transition module (4) is used to store and obtain baseline data encryption by described OTA server (3) the encrypted software package, the transition module (4) is configured to send the address of the encrypted software package to the OTA server (3). 3. The smart car FOTA upgrade system according to claim 2, characterized in that, further comprising a vehicle wireless data terminal (5) and a FOTA main controller (6), wherein the vehicle wireless data terminal (5) is used to receive the The FOTA task of the OTA server (3) is sent to the FOTA master controller (6) to complete the download of the FOTA task, and the FOTA master controller (6) is used to pass the FOTA task after the download of the FOTA task is completed. The vehicle wireless data terminal (5) downloads and installs the encryption software package from the transition module (4). 4. The smart car FOTA upgrade system according to claim 3, is characterized in that, also comprises vehicle-mounted control screen (7), described vehicle-mounted control screen (7) is used for according to user's authorization to vehicle wireless data terminal (5) The sending of the download authorization instruction and the installation authorization instruction, and the reception of the download progress and the installation progress sent by the FOTA main controller (6). 5. intelligent automobile FOTA upgrade system according to claim 4, is characterized in that, described vehicle-mounted control screen (7) is also used for the latest FOTA version corresponding to user search baseline data to control described OTA server (3) to create And transmit the FOTA task. 6. The smart car FOTA upgrade system according to claim 3, characterized in that, further comprising a set of distributed control units (8), and the set of distributed control units (8) is used to pass the FOTA main controller ( 6) After downloading the encrypted software package to the local, perform self-rewriting. 7. The smart car FOTA upgrade system according to claim 3, characterized in that, further comprising a non-distributed control unit set (9) (8), the non-distributed control unit set (9) (8) is used for The UDS flashing is completed under the control of the FOTA main controller (6) and the UDS is returned to the FOTA main controller (6). 8. The smart car FOTA upgrade system according to claim 3, wherein the baseline data module (1), the vehicle wireless data terminal (5) and the FOTA main controller (6) are adopted between the IPCP protocol for communication. 9. A smart car FOTA upgrade method, the method is implemented based on the smart car FOTA upgrade system as described in any one of claims 3-7, wherein the method comprises: Use the OTA server (3) to obtain the baseline data of the research and development terminal, the vehicle factory configuration data of the target vehicle and the current vehicle data of the target vehicle; Determine the target baseline data corresponding to the target vehicle according to the vehicle factory configuration data of the target vehicle and the current vehicle data of the target vehicle; According to the target baseline data and the current vehicle data of the target vehicle, determine whether there is a difference between the on-board software version corresponding to the current vehicle data of the target vehicle and the FOTA version corresponding to the target baseline data; If not, no operation is required; if so, create a FOTA task and push the FOTA task to the vehicle wireless data terminal (5) to prompt the user on the vehicle side that there is a new FOTA version that needs to be updated; When the user's download authorization instruction and installation authorization instruction are acquired, the FOTA main controller (6) is used to complete the download of the FOTA task and the download and installation of the encrypted software package. 10. intelligent car FOTA upgrade method according to claim 9, is characterized in that, utilizes FOTA main controller (6) to complete the downloading of FOTA task and the installation of encryption software package, comprise afterwards: When the vehicle-side software update is completed, the FOTA main controller (6) is used to report the vehicle-side software version corresponding to the current vehicle data to the vehicle wireless data terminal (5), so that the vehicle wireless data terminal (5) can update the vehicle-side software version. The software version is uploaded to the OTA server (3); Or when the preset period is reached, the FOTA main controller (6) automatically triggers the reporting of the on-board software version corresponding to the current vehicle data to the vehicle wireless data terminal (5), so that the vehicle wireless data terminal (5) sends the The on-board software version is uploaded to the OTA server (3).

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